const mongoose = require('mongoose');

// 连接数据库 - 参数字符串最后 是数据库名称
mongoose.connect('mongodb://127.0.0.1:27017/notes');

mongoose.connection.on('open',()=>{
    console.log("连接成功");
})
mongoose.connection.on('error',()=>{
    console.log("连接失败");
})

module.exports = mongoose;